Manta Ray Ventures

General contacts
Investor type

VC

Founded

2017

AUM

-

Location

London, England, United Kingdom

Investment Ticket

$1-5 m

Investment Stage

Series A Seed Series B

Region of investment

North America Europe
Investor profile last updated: 07 August, 2026

Profile

Manta Ray Ventures is a venture capital firm based in Europe. The firm is known for building mission-driven partnerships and investing in companies with a strategic vision. They maintain a modest team of experienced venture capital professionals who are committed to helping entrepreneurs grow and succeed. Manta Ray Ventures is noted for its flexibility and active involvement with the startups they back.

They focus on various sectors including AI, Edtech, Biotechnology, Fintech, HealthTech, Blockchain/Crypto, and more, providing capital primarily at the Seed to Series B stages. They invest across Europe and North America and are currently managing multiple funds with a total strategy valued in the tens of millions.

Some of their notable investments include AI Vivo - biotech platform, Bluu Bioscience - cultured seafood, Epic Games - game development, Cuemath - online math education, and StethoMe - a digital stethoscope. These investments showcase Manta Ray Ventures' diverse portfolio in both technological advancements and consumer-facing innovations.

Industry

MedTech Internet and Web Services Education Blockchain/Crypto AI HealthTech Biotechnology Edtech Financial Services Fintech Food and Beverage Foodtech Gaming Healthcare Services Media and Entertainment Real Estate Security Software

Contacts

Name
Title
Email
Social Networks
avatar
Sebastian Kulczyk Founder
Founder
s•••@•••
avatar
Leah von Siemens Partner
Partner
l•••@•••
LinkedIn
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Investment-team contacts for Manta Ray Ventures — including verified work emails and LinkedIn profiles — are available to Private Equity List subscribers.
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FAQs about Manta Ray Ventures

Manta Ray Ventures is a venture capital firm. It backs companies at Series A, Seed and Series B, writing tickets of $1-5 m.
Manta Ray Ventures is located in London, England, United Kingdom.
Manta Ray Ventures was founded in 2017.
Manta Ray Ventures invests in companies and startups in MedTech, Internet and Web Services, Education, Blockchain/Crypto, AI, HealthTech, Biotechnology, Edtech, Financial Services, Fintech, Food and Beverage, Foodtech, Gaming, Healthcare Services, Media and Entertainment, Real Estate, Security, Software.
Manta Ray Ventures invests in companies and startups in North America, Europe.
Manta Ray Ventures invests in companies and startups at Series A, Seed, Series B.
Manta Ray Ventures usually invests $1-5 m on average.
Manta Ray Ventures can be reached through its website mantaray.vc, its LinkedIn page and its X account. Its general enquiries address is [email protected]. Cold-mailing a general inbox rarely reaches a partner, so Private Equity List also lists the investment-team contacts for Manta Ray Ventures — names, roles, verified work emails and LinkedIn profiles — available on a Pro plan from $129/month (see pricing). Contacts are sourced from the firm's website and LinkedIn and re-verified on a rolling cycle. Spot a stale contact, or none at all? Report it — we re-run that firm within 48h and get back to you.
Yes. Every field on this page — profile, funds, investment criteria, portfolio and investment-team contacts — is available programmatically through the Private Equity List REST API and MCP server, so AI assistants such as Claude and ChatGPT can query Manta Ray Ventures directly instead of scraping this page. One subscription covers both the web app and machine access — see API & MCP.
Private Equity List re-verifies investor profiles on a rolling cycle, pulling from the firm's own website and LinkedIn rather than a one-off import. This profile was last updated on 07 August, 2026. Something out of date here? Report it — we re-run that firm within 48h and get back to you.